Remove str() casts

Author: chillymosh

twitchio/utils.py

@@ -741,15 +741,13 @@ def wrapper(*args: Any, **kwargs: Any) -> Any:
             from .user import PartialUser
 
             new_args = [
-                str(arg.id) if isinstance(arg, PartialUser) else arg
-                for i, arg in enumerate(args)
-                if not (is_self and i == 0)
+                arg.id if isinstance(arg, PartialUser) else arg for i, arg in enumerate(args) if not (is_self and i == 0)
             ]
 
             if is_self and args:
                 new_args.insert(0, args[0])
 
-            new_kwargs = {k: (str(v.id) if isinstance(v, PartialUser) else v) for k, v in kwargs.items()}
+            new_kwargs = {k: (v.id if isinstance(v, PartialUser) else v) for k, v in kwargs.items()}
 
             return func(*new_args, **new_kwargs)